CN107750338B - 使用星形叠层采集的mr成像方法和设备 - Google Patents

使用星形叠层采集的mr成像方法和设备 Download PDF

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CN107750338B
CN107750338B CN201680035043.0A CN201680035043A CN107750338B CN 107750338 B CN107750338 B CN 107750338B CN 201680035043 A CN201680035043 A CN 201680035043A CN 107750338 B CN107750338 B CN 107750338B
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CN107750338A (zh
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G·M·贝克
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Koninklijke Philips NV
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/4818—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
    • G01R33/4824—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space using a non-Cartesian trajectory
    • G01R33/4826—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space using a non-Cartesian trajectory in three dimensions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/5601—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution involving use of a contrast agent for contrast manipulation, e.g. a paramagnetic, super-paramagnetic, ferromagnetic or hyperpolarised contrast agent
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G01R33/5611—Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
    • G01R33/56308—Characterization of motion or flow; Dynamic imaging

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  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Vascular Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201680035043.0A 2015-06-15 2016-06-12 使用星形叠层采集的mr成像方法和设备 Expired - Fee Related CN107750338B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP15172087 2015-06-15
EP15172087.7 2015-06-15
PCT/EP2016/063413 WO2016202707A1 (en) 2015-06-15 2016-06-12 Mr imaging using a stack-of-stars acquisition

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CN107750338A CN107750338A (zh) 2018-03-02
CN107750338B true CN107750338B (zh) 2020-12-22

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US (1) US10670678B2 (ja)
EP (1) EP3308186B1 (ja)
JP (2) JP6865697B2 (ja)
CN (1) CN107750338B (ja)
WO (1) WO2016202707A1 (ja)

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EP3467533A1 (en) * 2017-10-09 2019-04-10 ETH Zurich Magnetic resonance imaging method with hybrid filling of k-space
EP3470869A1 (en) 2017-10-10 2019-04-17 Koninklijke Philips N.V. Mr imaging using motion-dependent radial or spiral k-space sampling
EP3517988A1 (en) 2018-01-29 2019-07-31 Koninklijke Philips N.V. Mr imaging using a stack-of-stars acquisition with intrinsic motion correction
EP3579009A1 (en) * 2018-06-05 2019-12-11 Koninklijke Philips N.V. Zero echo time mr imaging with water-fat separation
EP3598162A1 (en) * 2018-07-19 2020-01-22 Siemens Healthcare GmbH Magnetic resonance method and apparatus for suppressing metal artifacts
US10746830B2 (en) * 2018-08-28 2020-08-18 General Electric Company Systems and methods for hybrid slice encoding in three-dimensional magnetic resonance imaging
CN109696647B (zh) * 2019-02-21 2021-05-28 奥泰医疗系统有限责任公司 三维多次激发扩散加权成像的k空间采集方法及重建方法
EP3709040A1 (de) * 2019-03-13 2020-09-16 Siemens Healthcare GmbH Passive magnetfeldkamera und verfahren zum betrieb der passiven magnetfeldkamera
EP3709042A1 (en) * 2019-03-14 2020-09-16 Koninklijke Philips N.V. Mr imaging using a 3d radial or spiral acquisition with soft motion gating
JP7292930B2 (ja) * 2019-04-03 2023-06-19 キヤノンメディカルシステムズ株式会社 画像再構成方法及び再構成装置
EP3748385A1 (en) 2019-06-04 2020-12-09 Koninklijke Philips N.V. Optimized k-space profile ordering for 3d radial or spiral mr imaging
EP3842819A1 (en) 2019-12-23 2021-06-30 Koninklijke Philips N.V. 3d mr imaging with intrinsic motion detection
CN111257809B (zh) * 2020-01-23 2022-05-17 上海东软医疗科技有限公司 磁共振成像方法、装置、存储介质及医疗设备
JP7509546B2 (ja) * 2020-02-12 2024-07-02 キヤノンメディカルシステムズ株式会社 画像再構成装置
US11802926B2 (en) * 2020-11-12 2023-10-31 Oxford University Innovation Limited Methods and systems for optimizing sampling efficiency of dynamically sampled magnetic resonance imaging (MRI)
CN112557978B (zh) * 2020-11-26 2022-03-25 上海交通大学 一种基于三维非笛卡尔轨迹的多回波采样方法
GB2608404B (en) * 2021-06-30 2023-07-05 Siemens Healthcare Gmbh Method of reconstructing a dynamic series of motion-compensated magnetic resonance images
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CN115430828A (zh) * 2022-09-22 2022-12-06 济南海圣机电科技有限公司 一种浇注机铁水定量定速浇注控制方法

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Also Published As

Publication number Publication date
JP2021090760A (ja) 2021-06-17
WO2016202707A1 (en) 2016-12-22
EP3308186A1 (en) 2018-04-18
US10670678B2 (en) 2020-06-02
US20180149721A1 (en) 2018-05-31
CN107750338A (zh) 2018-03-02
JP6865697B2 (ja) 2021-04-28
EP3308186B1 (en) 2022-02-02
JP2018519050A (ja) 2018-07-19

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